TURBRO 50,000 BTU Swimming Pool Heat Pump, Inverter Electric Pool Heater for in and Above-Ground Pools up to 16,000 Gal. WiFi Enabled, Timer, 15.90 COP, 220-240 V, IPX4-Waterproof, Beluga Series. Extends your swimming season, allowing you to enjoy swimming even in cool spring and autumn months. Make the most of your pool with our efficient pool heat pump. The heat pump features a timer function, allowing you to start or stop the operation directly on the unit or via the mobile app. For instance, you can program different working schedules for weekdays and weekends, ensuring your pool is always ready for use.[Tips for Optimal Use]: Works best in outdoor temperatures of 60°F or above. Efficiency varies based on pool size and weather conditions. Use a pool cover in cooler temperatures to reduce heat loss and speed up heating.